{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\hline\hline
                    &\multicolumn{3}{c}{\shortstack{PSL Access in \\ Non-Mandate States}}&\multicolumn{3}{c}{\shortstack{PSL Access in \\ Non-Mandate States/Counties}}\\\cmidrule(lr){2-4}\cmidrule(lr){5-7}
                    &\multicolumn{1}{c}{M1}&\multicolumn{1}{c}{M2}&\multicolumn{1}{c}{M3}&\multicolumn{1}{c}{M4}&\multicolumn{1}{c}{M5}&\multicolumn{1}{c}{M6}\\
\hline
\textit{Share in PSL Covered State}&                     &                     &                     &                     &                     &                     \\
\hspace{0.5cm} Percent of Workers&       0.005\sym{***}&                     &                     &       0.005\sym{***}&                     &                     \\
\hspace{0.5cm} Percent of Establishments&       0.005\sym{***}&                     &                     &       0.005\sym{***}&                     &                     \\
\textit{Share in PSL Covered State or County}&                     &                     &                     &                     &                     &                     \\
\hspace{0.5cm} Percent of Workers&       0.005\sym{***}&                     &                     &       0.005\sym{***}&                     &                     \\
\hspace{0.5cm} Percent of Establishments&       0.005\sym{***}&                     &                     &       0.005\sym{***}&                     &                     \\
\\ \textit{Share in PSL Covered State}&                     &                     &                     &                     &                     &                     \\
\hspace{0.5cm} Percent of Workers&                     &       0.005\sym{***}&                     &                     &       0.004\sym{***}&                     \\
\hspace{0.5cm} Percent of Establishments&                     &       0.005\sym{***}&                     &                     &       0.005\sym{***}&                     \\
\textit{Share in PSL Covered State or County}&                     &                     &                     &                     &                     &                     \\
\hspace{0.5cm} Percent of Workers&                     &       0.005\sym{***}&                     &                     &       0.004\sym{***}&                     \\
\hspace{0.5cm} Percent of Establishments&                     &       0.005\sym{***}&                     &                     &       0.005\sym{***}&                     \\
\\ \textit{Share in PSL Covered State}&                     &                     &                     &                     &                     &                     \\
\hspace{0.5cm} Percent of Workers&                     &                     &       0.005\sym{***}&                     &                     &       0.005\sym{***}\\
\hspace{0.5cm} Percent of Establishments&                     &                     &       0.005\sym{***}&                     &                     &       0.005\sym{***}\\
\textit{Share in PSL Covered State or County}&                     &                     &                     &                     &                     &                     \\
\hspace{0.5cm} Percent of Workers&                     &                     &       0.005\sym{***}&                     &                     &       0.005\sym{***}\\
\hspace{0.5cm} Percent of Establishments&                     &                     &       0.005\sym{***}&                     &                     &       0.005\sym{***}\\
\hline
Maine/Michigan/Nevada = no PSL&  \checkmark         &                     &                     &  \checkmark         &                     &                     \\
Maine/Michigan/Nevada = PSL&                     &  \checkmark         &                     &                     &  \checkmark         &                     \\
Maine/Michigan/Nevada = dropped&                     &                     &  \checkmark         &                     &                     &  \checkmark         \\
\hline \vspace{-1em}&                     &                     &                     &                     &                     &                     \\
N                   &       31458         &       30516         &       30516         &       29381         &       28452         &       28452         \\
\hline\hline
\end{tabular}
}
